20157461728

素因数分解:

$2^5\times {\mathrm{41}}^1\times {\mathrm{3253}}^1\times {\mathrm{4723}}^1$

素因数の和:8027

約数の個数: 48

約数和(自身を含む): 40674036816

約数和(自身を除く): 20516575088

約数列:

[1, 2, 4, 8, 16, 32, 41, 82, 164, 328, 656, 1312, 3253, 4723, 6506, 9446, 13012, 18892, 26024, 37784, 52048, 75568, 104096, 133373, 151136, 193643, 266746, 387286, 533492, 774572, 1066984, 1549144, 2133968, 3098288, 4267936, 6196576, 15363919, 30727838, 61455676, 122911352, 245822704, 491645408, 629920679, 1259841358, 2519682716, 5039365432, 10078730864, 20157461728]

約数ペア:

[(1, 20157461728), (2, 10078730864), (4, 5039365432), (8, 2519682716), (16, 1259841358), (32, 629920679), (41, 491645408), (82, 245822704), (164, 122911352), (328, 61455676), (656, 30727838), (1312, 15363919), (3253, 6196576), (4723, 4267936), (6506, 3098288), (9446, 2133968), (13012, 1549144), (18892, 1066984), (26024, 774572), (37784, 533492), (52048, 387286), (75568, 266746), (104096, 193643), (133373, 151136)]